By 1972 this rate had progressively increased to 600 tonnes of ore per day.

Each rail car carries up to 126 tonnes of ore.

The new railway is expected to carry 35 million tonnes of ore per year for 25 years.

Since mining began at the site in 1898, the mine has produced over 950 million tonnes of ore.

It was projected to ship 15,000,000 million tonnes of ore per year.

The site was in operation from 1957 to 1968, during which time it produced 13 million tonnes of ore.

The mine produced three million tonnes of ore annually in the 1980s.

There's also a mill on the property that processes over 3,000 tonnes of ore per day.

Exploration work suggested there could be 500 million tonnes of ore.

The investment would add 3.4 million tonnes of ore into the mine plan.